2026 Mutuelle Générale de Prévoyance (MGP) — forum sale; ~198K IDs / 133K IBANs (unverified)
Data compromised
Actor-claimed: 198,127 unique full names; 133,018 unique IBANs; 45,771 phones; 24,489 emails — unverified. Samples showed banking details with holder names. Medical detail not attested in samples.
Technical writeup
Unverified underground forum sale claim — observed August 7–8, 2026 (Cyberattaque.org). Actor alias yiranet advertised alleged primary tables from Mutuelle Générale de Prévoyance (MGP), claiming 198,127 unique full names and 133,018 unique IBANs plus tens of thousands of phones and emails, with samples presented as adherent and RIB extracts. MGP (~480,000 members) had not publicly confirmed the compromise in sources reviewed. BreachHistory labels the row unverified and indexes recordsAffected 198127 as the actor-cited unique-name count.
Root cause
Unverified underground forum sale claim by alias yiranet advertising alleged MGP adherent and RIB tables — MGP had not confirmed at indexing time